Fix typo

[echristo]

This probably qualifies as "obvious" :)

[njames93]

In D75152#1892621, @echristo wrote:

This probably qualifies as "obvious" :)

This was arc diff screwing up and creating a new revision instead of updating :)

clang-tools-extra/clang-tidy/add_new_check.py

with open(Filename, 'r') as F:
     Lines = F.readlines()
 
   print('Updating %s...' % Filename)
   with open(Filename, 'w') as F:
     HeaderAdded = False
     HeaderFound = False
     CheckAdded = False
     CheckFqName = Module + '-' + CheckName
-    CHeckDecl = ('    CheckFactories.registerCheck<' + CheckNameCamel
+    CheckDecl = ('    CheckFactories.registerCheck<' + CheckNameCamel
                  + '>(\n        "' + CheckFqName + '");\n')
 
     Lines = iter(Lines)
     try:
       while True:
         Line = Lines.next()
         if not HeaderAdded:
           Match = re.search('#include "(.*)"', Line)
           if Match:
             HeaderFound = True
             if Match.group(1) > CheckNameCamel:
               HeaderAdded = True
               F.write('#include "' + CheckNameCamel + '.h"\n')
           elif HeaderFound:
             HeaderAdded = True
             F.write('#include "' + CheckNameCamel + '.h"\n')
 
         if not CheckAdded:
           if Line.strip() == '}':
             CheckAdded = True
-            F.write(CHeckDecl)
+            F.write(CheckDecl)
           else:
             Match = re.search(r'registerCheck<(.*)> *\( *(?:"([^"]*)")?', Line)
             PrevLine = None
             if Match:
               CurrentCheckName = Match.group(2)
               if CurrentCheckName is None:
                 # If we didn't find the check name on this line, look on the
                 # next one.
                 PrevLine = Line
                 Line = Lines.next()
                 Match = re.search(' *"([^"]*)"', Line)
                 if Match:
                   CurrentCheckName = Match.group(1)
               if CurrentCheckName > CheckFqName:
                 CheckAdded = True
-                F.write(CHeckDecl)
+                F.write(CheckDecl)
               if PrevLine:
                 F.write(PrevLine)
         F.write(Line)
     except StopIteration:
       pass
 
 
 # Adds a release notes entry.